Mackie Thump 18S



The Mackie Thump18S is a powered subwoofer that features an 18″ custom high-output woofer. With 1200 watts of power, you get the high bass output you need in a package that is designed to be tough and portable.

Featuring a built-in crossover at 140 Hz, stereo high-pass outputs and full-range outputs, the Thump18S allows you to connect top speakers and additional subwoofers without any extra hardware. Using efficient Class-D amplification and a dynamic bass frequency response, the speaker is designed to deliver a clear and present low end at any volume.


Professional band-pass design for maximum output and deep, room-filling lows
18″ custom high-output woofer
Class-D amplification designed for cool running
Precision crossover (140 Hz)
Tuning filters deliver highly accurate bass response
Robust system protection
Dual XLR inputs for mono or stereo applications
Stereo high-pass outputs optimize sound when connecting top boxes
Stereo full-range outputs perfect for adding more subwoofers
User-adjustable level and polarity controls
Easily mount your full-range loudspeaker via pole cup



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